National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Regional Weather Roundup
Issued by NWS

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856
ASUS43 KLOT 282001
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM CST FRI NOV 28 2025

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
  REPORT WEATHER SUCH AS PRECIPITATION OR FOG.

ILZ001-002-007-009-015-016-024-282100-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         SUNNY     33  13  43 NW7       30.39F WCI  27 TC   1
STERLING*      SUNNY     33  14  45 W9        30.39F WCI  25 TC   1
$$

ILZ003-004-008-010-011-017-018-282100-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       MOSUNNY   32  14  47 NW8       30.38F WCI  25 TC   0
DE KALB*       MOSUNNY   30  15  55 CALM      30.36F TC  -1
PERU*          MOSUNNY   33  14  46 W10       30.39F WCI  24 TC   0
$$

ILZ005-006-012>014-019>023-282100-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  MOSUNNY   31  13  47 W9        30.35S WCI  23 TC  -1
CHICAGO-MIDWAY MOSUNNY   32  13  45 W13       30.36F WCI  22 TC   0
AURORA         MOSUNNY   30  15  53 NW12      30.36F WCI  20 TC  -1
JOLIET*        SUNNY     33  15  48 W6        30.39S WCI  28 TC   1
WAUKEGAN       PTSUNNY   29  14  53 W12       30.34S WCI  19 TC  -2
DUPAGE AIRPORT MOSUNNY   30  14  51 NW10      30.36S WCI  21 TC  -1
WHEELING       MOSUNNY   30  13  49 NW8       30.37S WCI  22 TC  -1
MORRIS*        MOSUNNY   32  18  55 NW6       30.38S WCI  26 TC   0
ROMEOVILLE*    MOSUNNY   30  14  51 W12G18    30.38S WCI  21 TC  -1
LANSING*       SUNNY     32   8  35 W9        30.37S WCI  24 TC   0
NORTHERLY ISL*   N/A     32  13  45 W7          N/A  WCI  26 TC   0
$$

LMZ740>746-282100-
SOUTHERN LAKE MICHIGAN

STATION/POSITION SKY/WX   TEMP    WIND        PRES    VSBY  WAVE
                          AIR SEA DIR/SP/G                  HT/PER
                          (F)     (DEG/KT/KT) (MB)    (MI)  (FT/S)
S. MID LAKE BUOY           31 46  300/ 14/ 19 1027.9R
HARRISON CRIB              31     270/ 10/ 13   N/A
NORTHERLY ISL              32     320/  2/ 11   N/A
CALUMET HARBOR             32     230/  5/  8 1027.4
BURNS HARBOR               30     280/  3/  5 1028.4S
MICHIGAN CITY              30     250/ 14/ 17 1028.7R
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-282100-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         PTSUNNY   30  12  47 VRB5      30.39F WCI  25 TC  -1
GALESBURG*     SUNNY     32  21  64 W5          N/A  WCI  27 TC   0
MACOMB*        MOSUNNY   32  13  46 CALM      30.42F TC   0
JACKSONVILLE*  MOSUNNY   31  16  53 CALM      30.41F TC   0
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-282100-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        SUNNY     32  13  44 NW8       30.40F WCI  25 TC   0
BLOOMINGTON    SUNNY     32  13  45 NW10      30.39F WCI  24 TC   0
DECATUR        MOSUNNY   32  16  51 VRB6      30.41F WCI  26 TC   0
PEORIA         MOSUNNY   32  11  41 NW5       30.40F WCI  27 TC   0
LACON*         SUNNY     32  11  41 NW5       30.40F WCI  27 TC   0
LINCOLN*       MOSUNNY   33  12  42 CALM      30.42F TC   1
SPRINGFIELD    MOSUNNY   33  17  51 W7        30.41F WCI  27 TC   1
TAYLORVILLE    SUNNY     32  19  59 W8        30.42F WCI  25 TC   0
$$

ILZ033-039-045-046-055>057-062-063-282100-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      MOSUNNY   32  15  49 SW9       30.40F WCI  24 TC   0
RANTOUL*       SUNNY     32  14  47 NW8       30.40S WCI  25 TC   0
MATTOON        SUNNY     32  17  54 VRB6      30.40F WCI  26 TC   0
PARIS*         SUNNY     30  17  58 W8        30.42S WCI  22 TC  -1
$$

ILZ079-100>102-282100-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          SUNNY     36  16  44 CALM      30.42F TC   2
BELLEVILLE     MOSUNNY   38  18  45 SW7       30.41F WCI  32 TC   3
CAHOKIA*       MOSUNNY   35  17  47 CALM      30.42F TC   2
SPARTA*        MOSUNNY   36  18  47 CALM      30.44F TC   2
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-282100-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     SUNNY     38  17  42 CALM      30.43F TC   3
CAIRO*         MOSUNNY   40  21  46 CALM      30.45S TC   5
EFFINGHAM*     MOSUNNY   35  18  49 SW7       30.44F WCI  29 TC   2
MARION         SUNNY     37  18  44 CALM      30.44F TC   3
MT. VERNON     SUNNY    N/A N/A N/A SW8       30.43F
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         SUNNY     35  19  52 NW7       30.42F WCI  29 TC   2
METROPOLIS*    SUNNY     39  16  40 CALM      30.45F TC   4
$$

ILZ067-068-072-073-078-083-087-091-282100-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  SUNNY     35  15  44 NW13      30.44S WCI  26 TC   2
FLORA*         SUNNY     36  19  51 W3        30.43F TC   2
FAIRFIELD*     SUNNY     36  18  48 S5        30.43F WCI  32 TC   2
HARRISBURG*    SUNNY     38  16  41 CALM      30.45S TC   3
$$

ABBREVIATIONS USED IN REMARKS
   TC - TEMPERATURE IN CELSIUS
  WCI - WIND CHILL INDEX
   HX - HEAT INDEX
  VSB - VISIBILITY
$$